Last Minute Flights from Ontario

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Fare calendar for the next 30 days

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* Rates are in USD and based on historical search data, subject to change. GoLastMinute is a travel comparison site and does not sell tickets. Prices and availability are provided by partners and may not be available for your departure city. $59+ USD sample rate based on a roundtrip fare from SAN to PHX from 06/05/2026 - 06/08/2026, found on 05/14/2026 with Frontier Airlines for $46 USD.

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Last Minute Flight Deals from Ontario to Anywhere

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Atlanta
$300+
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Austin
$328+
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Las Vegas
$336+
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Portland
$337+
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Phoenix
$338+
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San Francisco
$341+
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Boise
$360+
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Charlotte
$376+
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Salt Lake City
$380+
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Oklahoma City
$380+
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Orlando
$390+
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St Louis
$391+
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Cleveland
$394+
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Mexico City
$395+
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Omaha
$395+
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Cancun
$398+
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Las Vegas
$203+
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Atlanta
$254+
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El Paso
$305+
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Dallas
$315+
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San Francisco
$326+
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Portland
$332+
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Cancun
$337+
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Mexico City
$341+
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Phoenix
$341+
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Cedar Rapids
$343+
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Sacramento
$343+
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Miami
$347+
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Austin
$348+
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Reno
$349+
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Denver
$359+
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San Antonio
$359+
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Last Minute Flight Deals from Ontario to Top Cities

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Las Vegas
$51+
Jul 1 – Jul 3
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San Francisco
$54+
Jul 14 – Jul 29
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Denver
$85+
Jul 14 – Jul 22
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Phoenix
$107+
Jul 7 – Jul 22
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Los Angeles
$165+
Jul 22 – Jul 28
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Dallas
$219+
Jul 21 – Jul 28
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Seattle
$223+
Jul 13 – Jul 23
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Miami
$230+
Jul 25 – Jul 28
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Atlanta
$233+
Jul 21 – Jul 28
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New York
$235+
Jul 26 – Jul 31
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Tampa
$245+
Jul 15 – Jul 22
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Orlando
$249+
Jul 22 – Jul 25
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Airports in and nearby Ontario

The busiest airport nearby Ontario is Ontario International (ONT), which is 1.71 miles from the city center.

Where can I go from Ontario International (ONT)?

People search the most for flights from Ontario to Las Vegas, Seattle, and Phoenix.

How to find the cheapest flights from Ontario?

Use the GoLastMinute Fare Calendar to find the best prices.